| | | Topic | Specific contents |
| | System openness | 1, 2, 3, 4, 5 | The purpose of the learner’s use of the platform, the need for the openness of the system | | Functional module | 6, 7, 8, 9, 10 | Learner opinions on listed modules learner needs supplementary modules | | Practice questions | 11, 12, 13, 14, 15 | Learner’s comments on listed question types learner needs to supplement | | Interface design | 16, 17, 18, 19, 20 | Learner opinions on interface interaction, background navigation | | Test system | 21, 22, 23, 24, 25 | Learners’ opinions on test methods, disclosure of test results, and pre-unit testing |
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